Other — Stable organic radical stacked by in situ coordination to rare earth cations in MOF materials

Measurement evidence

Other

Stable organic radical stacked by in situ coordination to rare earth cations in MOF materials · Gandara F., Snejko N., Andres A.D. et al. · RSC Advances · 2012 · 949-955

4 measurement groups · 7 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

PPMS high-field magnetisation and Arrott plot analysis

Dy-RPF8 powder for variable-field magnetisation · Powder

Dy-RPF8 magnetisation versus field at several temperatures down to 2.5 K and up to 85 kOe; SI Arrott plots shown for Dy-RPF8.

Temperature
2.5-100 K in figure; text highlights below 10 K
Geometry
powder magnetic sample
Context
pristine Dy-RPF8 powder
Measurement source
p002 and p005 / journal pp.950,953 · Magnetic measurements; Magnetic properties · Fig. 4; Fig. S4-3
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Dy-RPF8 low-temperature saturation magnetisation7.3 mu_B/Dy below 10 KText
Rounded Reported
p005 / journal p.953 · Magnetic properties · Fig. 4

SQUID magnetic susceptibility and magnetisation

La-RPF8 bulk powder/crystals · Powder

Powder in diamagnetic polycarbonate capsule; susceptibility measured from 2 to 300 K in 10 kOe; field dependence measured at 10 K up to 50 kOe.

Temperature
2-300 K; 10 K field dependence
Geometry
typically 20 mg powder in capsule
Context
pristine La-RPF8 with La-RPF7 non-radical control
Measurement source
p002 and p005 / journal pp.950,953 · Magnetic measurements; Magnetic properties · Fig. 3; Fig. S4-1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
La-RPF7 non-radical control magnetic momentmu = 0Text
Exact Reported
p005 / journal p.953 · Magnetic properties · Fig. 3
La-RPF8 effective magnetic moment at 10 K0.39 mu_BText
Rounded Reported
p005 / journal p.953 · Magnetic properties · Fig. 3

elemental chemical analysis

Pr-, Nd-, Sm-, Eu-, Gd-, Tb-, Dy-, Ho- and Er-RPF8 bulk powders · Powder

C/H elemental analysis compared with calculated values for La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho and Er RPF8 compounds.

Geometry
bulk powders
Context
pristine RPF8 family powders
Measurement source
p002 · S1: Elemental chemical analysis · Table S1-1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
family elemental analyses support no extra neutralising atomsElemental analyses for different lanthanide RPF-8 bulks show no other atoms in the samplesText
Qualitative
p004-p005 / journal pp.952-953 · Magnetic properties · Table S1-1
La-RPF8 experimental carbon percentageC exp. 30.28% versus calc. 30.04%calculated 30.04%SI Table
Exact Reported
p002 · S1: Elemental chemical analysis · Table S1-1

SQUID magnetic susceptibility and magnetisation of RPF8 series

Pr-, Nd-, Sm-, Eu-, Gd-, Tb-, Dy-, Ho- and Er-RPF8 bulk powders · Powder

Susceptibility from 2 to 300 K at 10 kOe; M(H) at 10 K up to 50 kOe; PPMS M(H) down to 2.5 K and up to 85 kOe for Ho/Dy.

Temperature
2-300 K; 10 K; 2.5 K for selected Ho/Dy tests
Geometry
powder in diamagnetic polycarbonate capsules
Context
pristine RPF8 family powders
Measurement source
p002 and p005 / journal pp.950,953 · Magnetic measurements; Magnetic properties · Fig. 4; Fig. S4-1; Fig. S4-2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
family magnetic behaviourcompounds are paramagnetic; inverse susceptibility generally follows Curie-Weiss law; negative Weiss temperature except Gd-RPF8 theta = 0.1unit inferred from Weiss temperature contextText
Uncertain
p005 / journal p.953 · Magnetic properties · Fig. S4-1
Gd-RPF8 magnetisation at 50 kOe and 10 K from SI plotapproximately 5.2 mu_B/R at 50 kOevisual estimate from Fig. S4-2 axis; about +/-0.3 mu_B/RFigure Axis
Approximate
p011 · S4: Details of the magnetic measurements · Fig. S4-2